727  
WWUS84 KMAF 180638  
RFWMAF  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
138 AM CDT MON MAY 18 2026  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/  
THIS EVENING FOR 20 FOOT WINDS OF 20 MPH OR GREATER, RELATIVE  
HUMIDITY OF LESS THAN 15%, AND HIGH TO VERY HIGH FIRE DANGER FOR  
SOUTHEAST NEW MEXICO, THE GUADALUPE MOUNTAINS AND SURROUNDING  
FOOTHILLS AND PLAINS, AND THE NORTHWESTERN PERMIAN BASIN...  
 
TXZ050-059-060-272-181845-  
/O.EXA.KMAF.FW.W.0017.260518T1700Z-260519T0200Z/  
ANDREWS-LOVING-WINKLER-VAN HORN AND HIGHWAY 54 CORRIDOR-  
138 AM CDT MON MAY 18 2026  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/  
THIS EVENING FOR 20 FOOT WINDS OF 20 MPH OR GREATER, RELATIVE  
HUMIDITY OF LESS THAN 15%, AND HIGH TO VERY HIGH FIRE DANGER FOR  
SOUTHEAST NEW MEXICO, THE GUADALUPE MOUNTAINS AND SURROUNDING  
FOOTHILLS AND PLAINS, AND THE NORTHWESTERN PERMIAN BASIN...  
 
THE NATIONAL WEATHER SERVICE IN MIDLAND/ODESSA HAS ISSUED A RED  
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN  
EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING.  
 
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 5 PERCENT.  
 
* RFTI...5 OR CRITICAL.  
 
* IMPACTS...  
 
* SEVERITY...  
 
FUELS (ERC)...90TH+ PERCENTILE...5 (OUT OF 5).  
 
WEATHER...CRITICAL...3 (OUT OF 5).  
 
FIRE ENVIRONMENT...7 (OUT OF 10).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW OR WILL SHORTLY. A COMBINATION OF STRONG  
WINDS, LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL INCREASE  
POTENTIAL FOR FIRE GROWTH.  
 
 
 
 
 
NMZ116>119-TXZ045-046-270-271-273-181845-  
/O.CON.KMAF.FW.W.0017.260518T1700Z-260519T0200Z/  
SACRAMENTO FOOTHILLS AND GUADALUPE MOUNTAINS-CHAVES PLAINS-  
EDDY PLAINS-LEA-GAINES-DAWSON-GUADALUPE MOUNTAINS ABOVE 7000 FEET-  
GUADALUPE AND DELAWARE MOUNTAINS-EASTERN CULBERSON-  
138 AM CDT MON MAY 18 2026 /1238 AM MDT MON MAY 18 2026/  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/  
THIS EVENING FOR 20 FOOT WINDS OF 20 MPH OR GREATER, RELATIVE  
HUMIDITY OF LESS THAN 15%, AND HIGH TO VERY HIGH FIRE DANGER FOR  
SOUTHEAST NEW MEXICO, THE GUADALUPE MOUNTAINS AND SURROUNDING  
FOOTHILLS AND PLAINS, AND THE NORTHWESTERN PERMIAN BASIN...  
 
* WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.  
 
* RFTI...5 TO 8 OR CRITICAL TO EXTREME.  
 
* IMPACTS...  
 
* SEVERITY...  
 
FUELS (ERC)...90TH+ PERCENTILE...5 (OUT OF 5).  
 
WEATHER...EXTREME...4 (OUT OF 5).  
 
FIRE ENVIRONMENT...9 (OUT OF 10).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW OR WILL SHORTLY. A COMBINATION OF STRONG  
WINDS, LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL INCREASE  
POTENTIAL FOR FIRE GROWTH.  
 
 
 
 
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